Sleuth 1.0 – Sleuth is a simple Perl script for checking of DNS zones for bugs and other inconsistencies. It should check all zone requirements mentioned in the corresponding RFC’s plus several other common errors. The package also contains a trivial, but useful WWW interface.
You can download it from the following link: https://packetstormsecurity.com/files/download/13345/sleuth-1.0.tar.gz
Source: https://packetstormsecurity.com/files/13345/sleuth-1.0.tar.gz.html